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| PartNumber | SM4T28AY | SM4T28CAY | SM4T28CAY-CUT TAPE |
| Description | TVS Diodes / ESD Suppressors 400 W 2.3kW Transil 5V to 70V Uni | TVS Diodes / ESD Suppressors 400 W 2.3kW Transil 5V to 70V Bi | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | - |
| RoHS | Y | Y | - |
| Series | SM4TY | SM4TY | - |
| Product Type | TVS Diodes | TVS Diodes | - |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | Bidirectional | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Qualification | AEC-Q100 | AEC-Q100 | - |
| Packaging | Reel | Reel | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Factory Pack Quantity | 5000 | 5000 | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | - |
| Tradename | Transil | Transil | - |
| Unit Weight | 0.002540 oz | 0.002540 oz | - |